control
//屏幕宽度的宏
#define SCR_W [UIScreen mainScreen].bounds.size.width
//高度的宏
#define SCR_H [UIScreen mainScreen].bounds.size.height
//判断是不是X的宏
#define IS_IPHONE_X (SCR_W==375&& SCR_H==812)
//状态栏高度的宏(三木运算符)/
#define STATUS_BAR_HEIGHT (IS_IPHONE_X ?44:20)
@implementationContainerViewController
#pragma mark
#pragma mark 懒加载三个VC
-(NearbyViewController *)nearbyVC{
if(nearbyVC==nil) {
nearbyVC = [[NearbyViewController alloc]init];
nearbyVC.navigationController = self.navigationController;
}
return nearbyVC;
}
-(SquareViewController *)sqareVC{
if(sqareVC==nil) {
sqareVC = [[SquareViewController alloc]init];
}
return sqareVC;
}
-(RecommendViewController *)recommendVC{
if (recommendVC==nil) {
recommendVC = [[RecommendViewController alloc]init];
recommendVC.navigationController = self.navigationController;
}
return recommendVC;
}
#pragma mark
#pragma mark 初始化三个UIButton和一个滑动的silderLabel，三个btn放到一个UIView（navView）上面。
-(void)initUI{
navView = [[UIView alloc]initWithFrame:CGRectMake(0, 40, SCR_W, 40)];
nearbyBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[nearbyBtn setTitleColor:[UIColor redColor] forState:UIControlStateSelected];
[nearbyBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
nearbyBtn.frame=CGRectMake(0,40,SCR_W/4,navView.frame.size.height);
nearbyBtn.titleLabel.font = [UIFont boldSystemFontOfSize:19];
[nearbyBtn addTarget:self action:@selector(sliderAction:) forControlEvents:UIControlEventTouchUpInside];
[nearbyBtn setTitle:@"行业详情" forState:UIControlStateNormal];
nearbyBtn.tag = 1;
nearbyBtn.selected = YES;
[navView addSubview:nearbyBtn];
squareBtn = [UIButton buttonWithType:UIButtonTypeCustom];
squareBtn.frame = CGRectMake(nearbyBtn.frame.origin.x+nearbyBtn.frame.size.width+40, nearbyBtn.frame.origin.y, SCR_W/4, navView.frame.size.height);
[squareBtn setTitleColor:[UIColor redColor] forState:UIControlStateSelected];
[squareBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
squareBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
[squareBtn addTarget:self action:@selector(sliderAction:) forControlEvents:UIControlEventTouchUpInside];
[squareBtn setTitle:@"行业指数" forState:UIControlStateNormal];
squareBtn.tag = 2;
[navView addSubview:squareBtn];
recommendBtn = [UIButton buttonWithType:UIButtonTypeCustom];
recommendBtn.frame = CGRectMake(squareBtn.frame.origin.x+squareBtn.frame.size.width+40, squareBtn.frame.origin.y, SCR_W/4, navView.frame.size.height);
[recommendBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[recommendBtn setTitleColor:[UIColor redColor] forState:UIControlStateSelected];
recommendBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
[recommendBtn addTarget:self action:@selector(sliderAction:) forControlEvents:UIControlEventTouchUpInside];
[recommendBtn setTitle:@"牛枰草地" forState:UIControlStateNormal];
recommendBtn.tag = 3;
[navView addSubview:recommendBtn];
sliderLabel = [[UILabel alloc]initWithFrame:CGRectMake(0, 81, SCR_W/4, 2)];
sliderLabel.backgroundColor = [UIColor redColor];
[navView addSubview:sliderLabel];
self.navigationItem.titleView = navView;
}
- (void)viewDidLoad {
self.view.backgroundColor = [UIColor whiteColor];
[super viewDidLoad];
[selfinitUI];
[self setMainSrollView];
//设置默认
[self sliderWithTag:self.currentIndex+1];
[self uinavControllerTab];
self.navigationItem.rightBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemPlay target:self action:@selector(clickw)];
self.navigationController.navigationBar.tintColor = [UIColor lightGrayColor];
}
-(void)clickw{
}
-(void)uinavControllerTab{
CGRect mainViewBounds = self.navigationController.view.bounds;
UISearchBar*customSearchBar = [[UISearchBaralloc]initWithFrame:CGRectMake(CGRectGetWidth(mainViewBounds)/2-((CGRectGetWidth(mainViewBounds)-40)/2),CGRectGetMinY(mainViewBounds)+STATUS_BAR_HEIGHT,CGRectGetWidth(mainViewBounds)-120,40)];
customSearchBar.delegate=self;
customSearchBar.placeholder=@"搜索";
customSearchBar.layer.cornerRadius=14.0f;
customSearchBar.showsCancelButton=NO;
customSearchBar.backgroundColor=[UIColorwhiteColor];
customSearchBar.searchBarStyle=UISearchBarStyleMinimal;
[self.navigationController.viewaddSubview: customSearchBar];
}
#pragma mark
#pragma mark 初始化srollView
-(void)setMainSrollView{
mainScrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 40, SCR_W, self.view.frame.size.height)];
mainScrollView.delegate = self;
mainScrollView.backgroundColor = [UIColor greenColor];
mainScrollView.pagingEnabled = YES;
mainScrollView.showsHorizontalScrollIndicator = NO;
mainScrollView.showsVerticalScrollIndicator = NO;
[self.view addSubview:mainScrollView];
NSArray *views = @[self.nearbyVC.view,self.sqareVC.view,self.recommendVC.view];
for(NSIntegeri =0; i
//把三个vc的view依次贴到mainScrollView上面
UIView*pageView = [[UIViewalloc]initWithFrame:CGRectMake(SCR_W*i,0,mainScrollView.frame.size.width,mainScrollView.frame.size.height-100)];
[pageViewaddSubview:views[i]];
[mainScrollViewaddSubview:pageView];
}
mainScrollView.contentSize=CGSizeMake(SCR_W*(views.count),0);
//滚动到_currentIndex对应的tab
[mainScrollView setContentOffset:CGPointMake((mainScrollView.frame.size.width)*_currentIndex, 0) animated:YES];
}
-(UIButton*)buttonWithTag:(NSInteger)tag{
if(tag==1) {
returnnearbyBtn;
}elseif(tag==2){
returnsquareBtn;
}elseif(tag==3){
return recommendBtn;
}else{
returnnil;
}
}
-(void)sliderAction:(UIButton*)sender{
if(self.currentIndex==sender.tag) {
return;
}
[self sliderAnimationWithTag:sender.tag];
[UIView animateWithDuration:0.3 animations:^{
mainScrollView.contentOffset=CGPointMake(SCR_W*(sender.tag-1),0);
}completion:^(BOOLfinished) {
}];
}
-(void)sliderAnimationWithTag:(NSInteger)tag{
self.currentIndex = tag;
nearbyBtn.selected = NO;
squareBtn.selected = NO;
recommendBtn.selected = NO;
UIButton*sender = [selfbuttonWithTag:tag];
sender.selected=YES;
//动画
[UIView animateWithDuration:0.525 animations:^{
sliderLabel.frame = CGRectMake(sender.frame.origin.x+20, sliderLabel.frame.origin.y, sliderLabel.frame.size.width, sliderLabel.frame.size.height);
}completion:^(BOOLfinished) {
nearbyBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
squareBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
recommendBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
sender.titleLabel.font= [UIFontboldSystemFontOfSize:19];
}];
}
-(void)sliderWithTag:(NSInteger)tag{
self.currentIndex = tag;
nearbyBtn.selected = NO;
squareBtn.selected = NO;
recommendBtn.selected = NO;
UIButton*sender = [selfbuttonWithTag:tag];
sender.selected=YES;
//动画
sliderLabel.frame = CGRectMake(sender.frame.origin.x, sliderLabel.frame.origin.y, sliderLabel.frame.size.width, sliderLabel.frame.size.height);
nearbyBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
squareBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
recommendBtn.titleLabel.font = [UIFont boldSystemFontOfSize:16];
sender.titleLabel.font= [UIFontboldSystemFontOfSize:19];
}
-(void)scrollViewDidScroll:(UIScrollView*)scrollView{
//实时计算当前位置,实现和titleView上的按钮的联动
CGFloatcontentOffSetX = scrollView.contentOffset.x;
CGFloatX = contentOffSetX * (3*SCR_W/4)/SCR_W/3;
CGRectframe =sliderLabel.frame;
frame.origin.x= X;
sliderLabel.frame= frame;
}
- (void)scrollViewDidEndDecelerating:(UIScrollView*)scrollView{
CGFloatcontentOffSetX = scrollView.contentOffset.x;
intindex_ = contentOffSetX/SCR_W;
[selfsliderWithTag:index_+1];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
-(void)dealloc{
NSLog(@"%s dealloc",object_getClassName(self));
}
